MIT Engineers Turn Yeast into Diesel

MIT Engineers Turn Yeast into Diesel Fuel Oil

MIT engineers have genetically reprogrammed a strain of yeast so that it converts sugars to fats much more efficiently, an advance that could make possible the renewable production of high-energy fuels such as diesel. The researchers, led by Gregory Stephanopoulos, the Willard Henry Dow Professor of Chemical Engineering and Biotechnology at MIT, modified the metabolic pathways of yeast that naturally produce large quantities of lipids, to make them about 30…

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Detroit Diesel to Pay $28.5M Clean Air Act Fine

Detroit Diesel $28.5 Million Settlement for US Clean Air Act Violation

Detroit Diesel Corp, a unit of automaker Daimler AG, will spend $14.5 million to reduce pollutants and pay a $14 million civil penalty to settle alleged violations of the U.S. Clean Air Act, the Justice Department said on Thursday. The settlement is the latest penalty imposed by U.S. regulators on auto and engine manufacturers for failing to meet emissions regulations. The U.S. government alleged that Detroit Diesel violated the Clean…

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Paccar Updates MX Engines & Drive Axles

Paccar MX13 Engine

Available in Kenworth and Peterbilt trucks in January will be new power, torque and fuel efficiency enhancements to Paccar MX-13 and MX-11 engines for North America. Nearly 50% of Peterbilt and Kenworth heavy-duty trucks currently are produced with Paccar MX engines, according to Sproull. Paccar increased the MX-13 engine’s output to 510 hp and 1,850 lb-ft of torque and increased the MX-11 engine’s output to 430 hp and 1,650 lb-ft…

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